CN107669268A - Acquiring brain waves radio transmission apparatus - Google Patents
Acquiring brain waves radio transmission apparatus Download PDFInfo
- Publication number
- CN107669268A CN107669268A CN201711158216.0A CN201711158216A CN107669268A CN 107669268 A CN107669268 A CN 107669268A CN 201711158216 A CN201711158216 A CN 201711158216A CN 107669268 A CN107669268 A CN 107669268A
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- CN
- China
- Prior art keywords
- eeg signals
- primary processor
- control circuit
- transmission apparatus
- radio transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/369—Electroencephalography [EEG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
- A61B5/0006—ECG or EEG signals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/291—Bioelectric electrodes therefor specially adapted for particular uses for electroencephalography [EEG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6802—Sensor mounted on worn items
- A61B5/6803—Head-worn items, e.g. helmets, masks, headphones or goggles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/683—Means for maintaining contact with the body
- A61B5/6831—Straps, bands or harnesses
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
Abstract
The invention provides a kind of acquiring brain waves radio transmission apparatus, including headband main body and the control circuit in headband main body, control circuit to include：Acquisition electrode unit, located at headband body surfaces, for the original EEG signals of multipoint acquisition；ADC collecting units couple acquisition electrode unit, receive original EEG signals, original EEG signals are filtered, amplify and analog-to-digital conversion after generate secondary EEG signals；Primary processor, ADC collecting units are coupled, receive secondary EEG signals, final EEG signals are generated after carrying out data processing to secondary brain wave signal；Radio-cell, primary processor is coupled, receives final EEG signals, sent it to terminal device and carry out data interaction.The present invention focuses on the circuit module for the collection of EEG signals, amplification, conversion, processing and transmission in headband main body, reduces equipment volume, mitigates weight of equipment, and shorten collection point to the signal transmission attenuation of primary processor.
Description
Technical field
The present invention relates to EEG checking device technical field, more particularly to a kind of acquiring brain waves radio transmission apparatus.
Background technology
Brain electricity is bioelectrical activity spontaneous caused by human brain work, and the activity can pass through special brain wave acquisition
Equipment is collected and showed in the form of brain wave.Brain wave as a kind of nervous activity than more sensitive objective indicator,
Correlative study to brain wave is not only widely used in Neuscience, cognitive science, psychology, and prior meaning is clinical medicine
Practical application.By diagnosis of the brain wave to various intracranial lesions, such as encephalitis, brain tumor, headstroke, epilepsy, brain wave is
Through as a medically important diagnosis index.
Existing medical electroence phalograph confirms electrode collection point bit distribution using international standard 10-20 systems more, is examining
First have to clear up collection point with scrub cream when surveying electroencephalogram, remove the dead skin and grease on scalp top layer, then smear again
Conductive paste makes gold-plated circular electrode preferably be contacted with scalp, and EEG signals are by gold disc electrode again by 1.5 meters or so of silver foil
Core conducting wire is transferred in EEG amplifier, is transmitted by the processing of electroence phalograph primary processor, then with USB or Ethernet
To computer.
Commercial brain wave acquisition equipment is more using Fp1 and two collection points of Fp2, the α collected by calculating the two points
The ripple of frequency range carries out the calculating of some focuses and allowance, then is passed on mobile phone with the mode being wirelessly transferred and carried out with user
Interaction, such as concentration instrument for training.
But existing medical electroence phalograph is more to be used under hospital environment, equipment uses 220V/50HZ alternating currents, nothing
Method departs from fixed power source interface, signal power frequency more severe jamming, needs the brain electricity technician of specialty to be operated during use, simultaneously
1.5 meters of electrode lead wires can also be easier to introduce interference；And commercial brain electric equipment generally existing collection point is few, acquisition precision
Medical need is all unsatisfactory for sample rate, while the data-interface of commercial brain electric equipment does not carry out unification with conventional form.
So far, also without the brain wave acquisition equipment for occurring meeting medical need and commercial demand simultaneously in society.
The content of the invention
The present invention provides a kind of acquiring brain waves radio transmission apparatus, solves the problems, such as existing above-mentioned.
To solve the above problems, the embodiment of the present invention provides a kind of acquiring brain waves radio transmission apparatus, including headband master
Body and the control circuit in headband main body, the control circuit include：
Acquisition electrode unit, located at the headband body surfaces, for the original EEG signals of multipoint acquisition；
ADC collecting units, the acquisition electrode unit is coupled, receives the original EEG signals of acquisition electrode unit collection,
Original EEG signals are filtered, amplify and analog-to-digital conversion after generate secondary EEG signals；
Primary processor, the ADC collecting units are coupled, the secondary EEG signals of ADC collecting units are received, to secondary E.E.G
Signal generates final EEG signals after carrying out data processing；
Radio-cell, the primary processor is coupled, receive the final EEG signals of primary processor, send it to terminal and set
It is standby to carry out data interaction.
As a kind of embodiment, the acquisition electrode unit includes some metal magnetic contacts, some metallic magnetics
Property contact be uniformly distributed on the inside of the headband main body.
As a kind of embodiment, the acquisition electrode unit includes some pawl electrodes, the pawl electrode and the metal
Magnetic contact is connected by magnetic attraction.
As a kind of embodiment, the control circuit also includes push-button unit, and the push-button unit couples the main place
Device is managed, for controlling the working condition of control circuit by key mode.
As a kind of embodiment, the control circuit also includes LED unit, and the LED unit couples the main process task
Device.
As a kind of embodiment, the control circuit also includes power subsystem, couples the primary processor, there is provided control
The work electricity consumption of circuit modules.
The present invention is compared to the beneficial effect of prior art：By for the collection of EEG signals, amplification, conversion, place
Reason and the circuit module sent are focused in headband main body, reduce equipment volume, mitigate weight of equipment, and shorten collection
Signal transmission attenuation of the point to primary processor.The eeg data after conversion is transferred to calculating by way of being wirelessly transferred again
Machine.By the way that acquisition electrode is located in headband main body on ad-hoc location according to international 10-20 systems, when wearing, as long as determining
Any two point position is wearable correct, saves professional brain electricity technician and confirms electrode points position process, user-friendly.Adopt
It is independently-powered with independent power subsystem, avoid long power line power supply.
Brief description of the drawings
Fig. 1 is the module connection figure of the acquiring brain waves radio transmission apparatus of the present invention.
Accompanying drawing marks：1st, acquisition electrode unit；2nd, ADC collecting units；3rd, primary processor；4th, radio-cell；5th, button list
Member；6th, LED unit；7th, power subsystem.
Embodiment
Below in conjunction with accompanying drawing, the technical characteristic above-mentioned and other to the present invention and advantage are clearly and completely described,
Obviously, described embodiment is only the section Example of the present invention, rather than whole embodiments.
As shown in figure 1, a kind of acquiring brain waves radio transmission apparatus, including headband main body and the control in headband main body
Circuit processed, control circuit include acquisition electrode unit 1, ADC collecting units 2, primary processor 3 and the wireless list being sequentially connected electrically
Member 4.Wherein, in the present embodiment, headband main body uses the spongy material of linen-cotton matter, linen-cotton material matter flexible, breathable, perspires suction
It is wet, while have the elasticity of pars again, make wearing experience more.Signal transmssion line inside control circuit uses short connection
Line, it uses 9 core silver foil to be entwined.
Acquisition electrode unit 1 includes some metal magnetic contacts and some pawl electrodes, and some metal magnetic contacts are uniformly divided
It is distributed on the inside of headband main body, electrode can be used alone as or coordinate electrode special to use.In the present embodiment, metal magnetic contact
Arranged according to international standard 10-20 system points position, be evenly distributed on headband main body one week, it is inverse using left antinion Fp1 as starting point
Clockwise, institute a little position are distributed with Fp1, F7, T3, T5, O1, Oz, O2, T6, T4, F8, FP2, Fpz.In the present embodiment, pawl
Electrode uses active pawl electrode, and pawl electrode belongs to dry electrode, need not smear the auxiliary materials such as conductive paste, pawl when in use
Electrode body is made up of medical grade rubber, and inside is aided with silver foil silk conducted signal, pawl electrode distal tip parcel AgCl coatings, pawl electricity
Pole effectively can block arrival scalp through hair, and multiple contact structure can ensure contact of the electrode with scalp, pawl electrode
Handled using that can ensure that original EEG signals just pass through in electrode collecting part, play the work of increase input impedance and signal to noise ratio
With.In the present embodiment, to coordinate pawl electrode to use, then process for using is as follows：Pawl electrode is first passed through into magnetic absorption to gold
Belong on magnetic contact；Then wear again, headband is adjusted after the completion of wearing, it is ensured that two electrode points (i.e. Fp1 immediately ahead of headband main body
And Fp2) it is accurate must be placed on before volume above brow ridge, finally ensure that all pawl electrode pawls correctly towards scalp and contact good.
ADC collecting units 2 couple acquisition electrode unit 1, receive the original EEG signals of the collection of acquisition electrode unit 1, will
Original EEG signals are filtered, amplify and analog-to-digital conversion after generate secondary EEG signals；Primary processor 3 couples ADC collections
Unit 2, the secondary EEG signals of ADC collecting units 2 are received, most akrencephalon electricity is generated after data processing is carried out to secondary brain wave signal
Signal；Radio-cell 4 couples primary processor 3, receives the final EEG signals of primary processor 3, sends it to terminal device and enter
Row data interaction.Wherein, in the present embodiment, primary processor 3 uses and is based on high-performance ARM Cortex-M4 kernels, Neng Gouyou
Imitate and the data collected are handled and protected.
In addition, control circuit also includes push-button unit 5, LED unit 6 and the power subsystem of coupling primary processor 3
7.Push-button unit 5 is used for the working condition that control circuit is controlled by key mode, and in the present embodiment, push-button unit 5 uses
Single-button combination, by the compressing time and number of button come the state of equipment.LED module uses three colors of surface mount packages
LED, there can be more interact with user.Power subsystem 7 uses lithium polymer secondary battery, capacity 500mAh, about
Systems stay can be supported to run 12 hours.
Detect the contact impedance of each electrode points and scalp by the application program on terminal device first is to judge equipment
It is no to wear correctly, push-button unit 5 on control instruction to radio-cell 4 or presses is then sent by application program and started
Original EEG signals are gathered, EEG signals, by the primary filtering and amplification of pawl electrode, are entered by the pawl electrode contacted with scalp
Enter into ADC collecting units 2, secondary filter and amplification carried out through the postifiler built in ADC collecting units 2 and amplifier,
Digital data transmission is finally converted analog signals into rearrange the signal data of acquisition to primary processor 3, primary processor 3
Conversion.
The primary processor 3 of the present invention mainly completes following action：
Arrange：Signal data stream is organized into sampling this mode of a data, then stamp sequence number mark every time, ensures number
According to will not misplace；
Conversion：Including removing high position data, invalid bit data are removed, Conversion of measurement unit is then carried out, can be protected after Conversion of measurement unit
Data are effectively compressed while demonstrate,proving data precision, reduce the soft expense and pressure of data transfer；
Last processor will be sent to radio-cell 4 after the data encryption handled well, then pass through wireless parties by radio-cell 4
Formula is sent to terminal device.
Circuit module for the collection of EEG signals, amplification, conversion, processing and transmission is focused on headband by the present invention
In main body, equipment volume is reduced, mitigates weight of equipment, and shorten collection point to the signal transmission attenuation of primary processor 3.Again
The eeg data after conversion is transferred to computer by way of being wirelessly transferred.By by acquisition electrode according to international 10-20
System is on ad-hoc location in headband main body, when wearing, as long as determining that any two point position is wearable correct, saves
Professional brain electricity technician confirms electrode points position process, user-friendly.It is independently-powered using independent power subsystem 7, avoid
Long power line power supply.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, it will be appreciated that the foregoing is only the specific embodiment of the present invention, the protection being not intended to limit the present invention
Scope.Particularly point out, to those skilled in the art, within the spirit and principles of the invention, that is done any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (6)
- A kind of 1. acquiring brain waves radio transmission apparatus, it is characterised in that the control including headband main body and in headband main body Circuit processed, the control circuit include：Acquisition electrode unit, located at the headband body surfaces, for the original EEG signals of multipoint acquisition；ADC collecting units, the acquisition electrode unit is coupled, the original EEG signals of acquisition electrode unit collection are received, by original Beginning EEG signals are filtered, amplify and analog-to-digital conversion after generate secondary EEG signals；Primary processor, the ADC collecting units are coupled, the secondary EEG signals of ADC collecting units are received, to secondary brain wave signal Final EEG signals are generated after carrying out data processing；Radio-cell, the primary processor is coupled, receive the final EEG signals of primary processor, send it to terminal device and enter Row data interaction.
- 2. acquiring brain waves radio transmission apparatus according to claim 1, it is characterised in that the acquisition electrode unit bag Some metal magnetic contacts are included, some metal magnetic contacts are uniformly distributed on the inside of the headband main body.
- 3. acquiring brain waves radio transmission apparatus according to claim 2, it is characterised in that the acquisition electrode unit bag Some pawl electrodes are included, the pawl electrode is connected with the metal magnetic contact by magnetic attraction.
- 4. acquiring brain waves radio transmission apparatus according to claim 1, it is characterised in that the control circuit also includes Push-button unit, the push-button unit couple the primary processor, for controlling the working condition of control circuit by key mode.
- 5. acquiring brain waves radio transmission apparatus according to claim 1, it is characterised in that the control circuit also includes LED unit, the LED unit couple the primary processor.
- 6. acquiring brain waves radio transmission apparatus according to claim 1, it is characterised in that the control circuit also includes Power subsystem, couple the primary processor, there is provided the work electricity consumption of control circuit modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711158216.0A CN107669268A (en) | 2017-11-20 | 2017-11-20 | Acquiring brain waves radio transmission apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711158216.0A CN107669268A (en) | 2017-11-20 | 2017-11-20 | Acquiring brain waves radio transmission apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107669268A true CN107669268A (en) | 2018-02-09 |
Family
ID=61150211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711158216.0A Pending CN107669268A (en) | 2017-11-20 | 2017-11-20 | Acquiring brain waves radio transmission apparatus |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0412629A1 (en) * | 1989-08-10 | 1991-02-13 | Pioneer Electronic Corporation | System for evoking electroencephalogram signals |
| CN102512159A (en) * | 2011-12-08 | 2012-06-27 | 西安交通大学 | Portable wireless electroencephalogram acquisition device |
| CN103169471A (en) * | 2013-03-27 | 2013-06-26 | 刘仁俊 | Portable electroencephalogram detection system |
| JP2016168104A (en) * | 2015-03-11 | 2016-09-23 | 国立大学法人 筑波大学 | Brain activity measuring device and sensor unit |
| CN106963375A (en) * | 2017-05-12 | 2017-07-21 | 北京视友科技有限责任公司 | A kind of portable brain electric harvester of magnetic-type connection |
| CN107095667A (en) * | 2013-03-14 | 2017-08-29 | 尼尔森（美国）有限公司 | Equipment for collecting EEG data |
-
2017
- 2017-11-20 CN CN201711158216.0A patent/CN107669268A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0412629A1 (en) * | 1989-08-10 | 1991-02-13 | Pioneer Electronic Corporation | System for evoking electroencephalogram signals |
| CN102512159A (en) * | 2011-12-08 | 2012-06-27 | 西安交通大学 | Portable wireless electroencephalogram acquisition device |
| CN107095667A (en) * | 2013-03-14 | 2017-08-29 | 尼尔森（美国）有限公司 | Equipment for collecting EEG data |
| CN103169471A (en) * | 2013-03-27 | 2013-06-26 | 刘仁俊 | Portable electroencephalogram detection system |
| JP2016168104A (en) * | 2015-03-11 | 2016-09-23 | 国立大学法人 筑波大学 | Brain activity measuring device and sensor unit |
| CN106963375A (en) * | 2017-05-12 | 2017-07-21 | 北京视友科技有限责任公司 | A kind of portable brain electric harvester of magnetic-type connection |
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Application publication date: 20180209 |
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| RJ01 | Rejection of invention patent application after publication |